| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S09E01 | 901 |
January 7, 2019
PBS
|
27 | |
| S09E02 | 902 |
January 14, 2019
PBS
|
27 | |
| S09E03 | 903 |
January 21, 2019
PBS
|
27 | |
| S09E04 | 904 |
January 28, 2019
PBS
|
27 | |
| S09E05 | 905 |
February 4, 2019
PBS
|
27 | |
| S09E06 | 906 |
February 11, 2019
PBS
|
27 | |
| S09E07 | 907 |
February 18, 2019
PBS
|
27 | |
| S09E08 | 908 |
February 25, 2019
PBS
|
27 | |
| S09E09 | 909 |
March 4, 2019
PBS
|
27 | |
| S09E10 | 910 |
March 11, 2019
PBS
|
27 | |
| S09E11 | 911 |
March 18, 2019
PBS
|
27 | |
| S09E12 | 912 |
March 25, 2019
PBS
|
27 | |
| S09E13 |
913
season finale
|
April 1, 2019
PBS
|
27 |
No artwork of this type.
No artwork of this type.
No artwork of this type.